Ian Wilson, Assistant Director of Operations, at the National Trust, said: “The National Trust has a long standing ambition to remove as much of the A303 road from the Stonehenge landscape as possible.
“Huge volumes of traffic on the road are already having a detrimental impact on the site and forecasts suggest this will only get worse. We need to find a solution to this problem sooner rather than later and that solution needs to remove as much of the highly damaging existing road as possible.
“We believe building a tunnel under the landscape is the best way of improving the quality of this special place whilst at the same time significantly improving a major transport link for the South West.
“We would like to see the longest possible tunnel but we recognise that any plan needs to be both affordable and deliverable if we’re to finally solve this long-running challenge.
“Early results from our work to assess various options for the A303 at Stonehenge suggest that a tunnel of 2.9km may bring significant benefits for this special place, reuniting the archaeologically rich wider Stonehenge landscape, and allowing people to better explore and understand the story of a place so important for the human history of these islands.
“Reuniting the two halves of the world heritage site would also allow visitors and local communities to enjoy far greater access to this wonderful landscape. We’re continuing to work with the Government and partner organisations to look at how we best deliver a world class solution for one of the most important pre-historic landscapes in Europe.”